2

How can I update the grand total value when shipping method is changed to reflect new calculation?

When you change the shipping method here,

It must reflect the new calculation in TOTAL section.

  • you mean to say right part of checkout page? – Dhiren Vasoya Jan 6 '17 at 5:40
  • Yes that is correct, the summary section. – nuwaus Jan 6 '17 at 5:41
  • Either you need to create a custom extension of change in default magento files, and make custom code to do this things. – Dhiren Vasoya Jan 6 '17 at 5:43
  • Did you got any solution? – konika Feb 10 '17 at 14:05
2

I have the solution First of I found its easier to copy all the files into my theme directory.

  1. Create the theme directory

    http://devdocs.magento.com/guides/v2.1/frontend-dev-guide/themes/theme-create.html

  2. Overwrite Checkout pages

    app/design/frontend/[Vendor]/[Theme]/Magento_Checkout/
    
  3. Copy web folder from default theme to your Magento_Checkout

    vendor/magento/module-checkout/view/frontend/Magento_Checkout/web
    
  4. Edit Magento_Checkout/web/template/summary/ (totals & grand-total) remove code below from both files.

    <!-- ko if: isDisplayed() -->
    <!-- /ko -->
    
  5. Edit Magento_Checkout/web/js/view/shipping.js

    Find selectShippingMethod Function line 215 and add

    setShippingInformationAction();
    

    Should look like this

    selectShippingMethod: function (shippingMethod) {
        selectShippingMethodAction(shippingMethod);
        checkoutData.setSelectedShippingRate(shippingMethod.carrier_code + '_' + shippingMethod.method_code);
        setShippingInformationAction();
        return true;
    },
    
  6. Run following commands

    php bin/magento setup:static-content:deploy
    php bin/magento indexer:reindex 
    php bin/magento cache:flush
    
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